(19)

(11)

EP 2 576 871 A2

(12)

(88) Date of publication A3: 05.04.2012 (43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 11731063.1 (22) Date of filing: 23.05.2011

(51) International Patent Classification (IPC):  C25D 5/14(2006.01) C23C 10/60(2006.01) C23C 28/02(2006.01) C25D 5/24(2006.01) C25D 5/50(2006.01) C23C 26/00(2006.01) C25D 5/26(2006.01) C25D 5/36(2006.01) (86) International application number: PCT/IB2011/001098 (87) International publication number: WO 2011/148242 (01.12.2011 Gazette 2011/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 24.05.2010 JP 2010118208 (71) Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA Toyota-shi, Aichi-ken, 471-8571 (JP)	(72) Inventor: BESSHO, Takeshi Toyota-shi Aichi-ken 471-8571 (JP) (74) Representative: Kuhnen & Wacker  Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A 85354 Freising 85354 Freising (DE)